Champions who have highest PI?

If you’re talking about Prestige, here are some options:
Silver Surfer
Phoenix
Nova
CMM

Sunspot
Apocalypse
Namor
Professor X

Skill Thor
Night Monkey
Hit-Monkey
Squirrel Girl

Warlock
Guardian
G2099
Mysterio

Mr. Fantastic
Thing
Red Guardian
Human Torch

Dr. Doom
Tigra
Sasquatch
Sorcerer Supreme

Source: https://auntm.ai/prestige/list2

WOLF_LINK

Platinpool/Goldpool are very high Prestige, too.

The_Sentry06

Venom and Ghost have horrible prestige.

SpideyFunko

here’s like the top 54 in prestige

WOLF_LINK

You won‘t find any Science or Tech Champ in the Top 20.

SpideyFunko

You won‘t find any Science or Tech Champ in the Top 20.

Why is that?

Lormif

here’s like the top 54 in prestige

It change some when you look at 6*s, which is the actual top prestige now.